K 10 svn:author V 3 pjd K 8 svn:date V 27 2013-08-18T11:25:42.609333Z K 7 svn:log V 237 Cast argument of is*() ctype functions to unsigned char. Without the cast there is ambiguity between 0xFF and -1 (EOF). Suggested by: jilles Submitted by: Mariusz Zaborski Sponsored by: Google Summer of Code 2013 END